| The Design of Squib Circuit using Hybrid Interlock |
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Bu-Cheol Jang, Kil-Seok Cho, Jin-Beom Shin, Bong-Joo Koo |
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The 1st Research and Development Institute, Agency for Defense Development |
| 하이브리드 인터락을 적용한 점화회로 설계 |
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장부철, 조길석, 신진범, 구봉주 |
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국방과학연구소 제1기술연구본부 |
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| Abstract |
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We proposed a design method for squib current supply & interlock circuits in guided-missile fire control systems. In order to design squib current supply circuits, various missile squib loads including line resistance and squib devices have to be considered in advance minimizing probability of redesign of circuits and reducing the development cost by implementing the most proper squib current supply circuit. Also, we presented a hardware interlock logic instead of the commonly used software safety logic to improve the safety of guided-missile fire control systems. The proposed squib interlock circuit enhances safety requirements of guided-missile fire control systems. We confirmed that simulation and measurement results of the proposed design method are the same as theoretical analysis results. |
| Key Words:
Fire Control System, Squib Circuit, Squib Interlock Circuit, Voltage Regulator, Missile Interface Unit |
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